A 2Mpixel 1/4-inch CMOS Image Sensor with Enhanced Pixel Architecture for Camera Phones and PC Cameras

📋 论文概要

本文提出了一款用于手机和PC摄像头的第二代200万像素1/4英寸CMOS图像传感器，采用增强像素架构（CEPA），在保持小像素尺寸的同时实现了更高的性能。

💡 主要创新点

• 提出全对称公共元素像素架构（CEPA），优化像素布局以提升性能。
• 通过持续的像素设计改进，在不牺牲性能的前提下进一步缩小像素尺寸。

🏷 关键词

📄 原文摘要

Micron, Oslo, Norway, 2Micron, Boise, ID This paper presents performance data for a second-generation, 2Mpixel, 1/4-inch CMOS image sensor with state-of-the-art pixel technology that targets camera phones, PC cameras, PDAs and other portable devices. Continuous improvements in pixel design have enabled smaller pixels to be used without compromising performance. This sensor incorporates the latest pixel technology and enables higher performance than previous generations with the same optical format. The sensor uses a fully symmetric commonelement pixel architecture (CEPA) with 2.5 equivalent transistors per pixel along with internal control of a reset transistor to maximize quantum efficiency and enable additional process improvement. The die size is also significantly smaller than the previous generation, simplifying the design process and enabling smaller modules. The sensor is also compatible with standard mobile

👥 作者与机构

Jørgen Moholt1, Trygve Willassen1, John Ladd2, Xiaofeng Fan2, Dean Gans2